TK-2310R
46
LEVEL DIAGRAM
FM IF
SYSTEM
BASEBAND
IC CML
SG
–53dBm
50
Ω
ANT
–55.0dBm
–55.0dBm
–45.0dBm
–30.0dBm
–28.0dBm
–27.0dBm
–35.0dBm
–20.0dBm
54mVr
ms
50mVr
ms
2.4Vr
ms
2.3Vr
ms
2.2Vr
ms
C489
C478
C467
C455
C439
C433
C429
C893
C914
C926
+
SP
500mW
Q819
Q818
IC815
IC812
IC401
Q405
XF401
MIXER Q406
Q407
RF (CENTER FREQ
UENCY)
IF1 (49.95MHz)
IF2
450kHz
AF (1kHz)
IC812
BASEBAND
IC CML
AF AMP
C67
–11.0dBm
TX VCO
C73
1.0dBm
C77
0dBm
C209
-0.9dBm
C222
27.0dBm
C243
37.0dBm
ANT
50
Ω
MIC
8.5mVr
ms
68mVr
ms
-1.0dBm
37.0dBm
C201
12.8dBm
C217
Q8
Q9
RXLo
D17
D18
Q201
Q203
Q204
Q205
AF (1kHz)
RF (CENTER FREQ
UENCY)
R897
15.4mVr
ms
R902
T
o mak
e measurements in the AF section, connect the A
C le
v
el meter
.
(ANT input:
–53dBm,1kHz FM, 1.5kHz De
v (Narro
w)).
In
the
RF
section,
use
a
high
impedance
probe
. (ANT
input:
–53dBm,
MOD
off).
A
G
is
set
to
the
MIC
input
becomes
1.5kHz
De
v,
At
1kHz
MOD
. (Narro
w)
T
o mak
e measurements in the AF section,connect the A
C le
v
el meter
.
In the RF section, use a 1000pF coupling capacitor
.
Receiver Section
T
ransmitter Section
